Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
history of the chinese abacus | 0.59 | 0.9 | 7148 | 44 |
the chinese used the abacus | 1.84 | 0.3 | 2370 | 86 |
the history of the abacus | 1.94 | 0.7 | 1194 | 40 |
who invented the abacus in ancient china | 0.33 | 0.4 | 3205 | 4 |
origin of the abacus | 1.83 | 0.6 | 1535 | 81 |
chinese abacus for sale | 0.11 | 0.7 | 2132 | 46 |
what country invented the abacus | 1.86 | 0.1 | 6983 | 84 |
what dynasty invented the abacus | 1.88 | 0.4 | 3878 | 37 |
where did the abacus originate | 0.11 | 0.1 | 9279 | 57 |
where and when was the abacus invented | 1.84 | 0.3 | 3132 | 90 |
in which dynasty was the abacus invented | 1.5 | 0.5 | 3195 | 63 |
when and where was the abacus introduced | 0.54 | 0.3 | 5647 | 8 |
abacus invented in which country | 1.14 | 0.4 | 9385 | 19 |